this comes as washington welcomes a high-level chinese delegation led by the vice premier. his team is in the u.s. to talk trade and economy. he's expected to meet with u.s. treasury secretary tim geithner tomorrow. wang is the first official from the new leadership team to visit with the u.s. for more on the impact and implications of this, let's speak with frank ching, adjunct associate professor at the chinese university of hong kong. frank, hi. the first news that we're getting out of this appears to be more import duties s. this going to be the theme of u.s./china relations, or do you expect these meetings to be more of a thaw? >> well, i think that these are the first meetings since the new leadership in china was installed. and since president obama saw -- well, won second term. i think both sides want to make use of this occasion to improve their relationship. so this joint annual meeting is a platform, and i think that they will probably be able to achieve some progress on issues of concern to both sides. but i don't see any sweeping changes. >> what's interesting,